CN105014996A - Self-heating platform used for forming of fiber composite board - Google Patents
Self-heating platform used for forming of fiber composite board Download PDFInfo
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- CN105014996A CN105014996A CN201510452912.7A CN201510452912A CN105014996A CN 105014996 A CN105014996 A CN 105014996A CN 201510452912 A CN201510452912 A CN 201510452912A CN 105014996 A CN105014996 A CN 105014996A
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- heat radiation
- radiation lamp
- safety glass
- fiber composite
- heating platform
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/54—Component parts, details or accessories; Auxiliary operations, e.g. feeding or storage of prepregs or SMC after impregnation or during ageing
Abstract
The invention discloses a self-heating platform used for forming of a fiber composite board. The self-heating platform comprises a supporting device, a tempered glass formwork, a thermal radiation lamp mounting base and a heating device. The supporting device is a cuboid framework, and the tempered glass formwork is rectangular and arranged at the top end of the supporting device. The thermal radiation lamp mounting base is rectangular and identical with the tempered glass formwork in size. The thermal radiation lamp mounting base is parallel to the tempered glass formwork, arranged on the supporting device and located under the tempered glass formwork. The heating device comprises multiple thermal radiation lamps and a temperature control device. The thermal radiation lamps are evenly arranged on the thermal radiation lamp mounting base and electrically connected with the temperature control device. Through the characteristics of temperature resistance and transparency of the high-strength tempered glass formwork, the fit degree of prepreg and the formwork and the process of fiber impregnation in resin can be observed. By the adoption of a heat preservation device, heat loss is reduced, temperature rise time is shortened, and the constant temperature is guaranteed.
Description
Technical field
The invention belongs to composites processing technology field, be specifically related to a kind of for fiber composite sheet metal forming from heating platform.
Background technology
The moulding process of current composite mainly contains hand and sticks with paste technique, autoclave technique, mould pressing process, RTM technique, vacuum perfusion process etc.Vacuum perfusion process because of the higher resin fibre ratio of tool, reduce resin waste, reduce time, the advantage such as clean is widely used.
Moulding process and the shaped platform of composite are closely related, and the platform mould of vacuum perfusion process can be fiberglass, metal die etc., and negative pressure of vacuum is shaping, needs extra firing equipment, are a kind of non-autoclave moulding process of extensive use.The heater of current vacuum perfusion process is generally baking oven, baker, curing oven etc., and these heaters exist following shortcoming: 1), these heaters are opaque, in perfusion, heating process, be difficult to observe the dipping process of resin to fiber; 2), these heater positions fix, and not easily move; 3), due to these heater volumes fix, then composite plate product size is subject to the restriction of heater.
Summary of the invention
The object of the present invention is to provide a kind of for fiber composite sheet metal forming from heating platform, solve that heater in prior art is opaque, operator is difficult to observe the technical problem of resin to the dipping process of fiber.
To achieve these goals, art solutions of the present invention is as follows:
For fiber composite sheet metal forming from a heating platform, comprise bracing or strutting arrangement, safety glass template, heat radiation lamp mounting base, heater and attemperator.
Described bracing or strutting arrangement is cuboid framework, safety glass template is rectangle, be arranged on the top of bracing or strutting arrangement, described heat radiation lamp mounting base is rectangle and identical with the size of safety glass template, heat radiation lamp mounting base is parallel to safety glass template-setup on bracing or strutting arrangement, and is positioned at immediately below safety glass template.Described heater comprises multiple heat radiation lamp and attemperating unit, and multiple heat radiation lamp is evenly arranged on heat radiation lamp mounting base, and heat radiation lamp is electrically connected with between attemperating unit, and attemperating unit is connected with power supply.
Because heat radiation lamp is arranged in nonocclusive space, the heat that heat radiation lamp produces easily scatters and disappears, in order to reduce heat loss, shorten heat up time, ensure temperature constant, describedly for fiber composite sheet metal forming, heating platform is provided with attemperator, attemperator is four pieces of transparent organic glass cloth, be around in the surrounding of cuboid framework, and the height of attemperator is identical with bracing or strutting arrangement.Adopt transparent material can observe composite plate product shaping time thermoplastic resin-impregnated fibers process, some problems occurred in filling process are solved in time, avoid appearance produce depression, bubble, hickie, do not soak into the defects such as region.
For the ease of mobile be used for fiber composite sheet metal forming from heating platform, the bottom even of described cuboid framework is provided with multiple movable support castor.Described movable support castor comprises roller and arrangement for adjusting height, and the levelness that can be realized whole heating platform by arrangement for adjusting height is regulated, and breaks away from the rugged restriction of production site.
Described cuboid framework length be 5050mm, wide is 2650mm, and height is 870mm, and described safety glass template is long is 5000mm, and wide is 2600mm, and thickness is 18mm.Such as metal die, significantly safety glass template mutually, cost is lower, and weight is lighter, requires low to support platform load-carrying properties.
In order to strengthen the support of bracing or strutting arrangement to significantly safety glass template, the upper end of described cuboid framework is provided with brace summer, and brace summer is positioned at the below of safety glass template.Described brace summer comprises three longitudinal bracing beams and seven cross-brace beams, and longitudinal bracing beam is evenly arranged along the width of cuboid framework, and cross-brace beam is evenly arranged along the length direction of cuboid framework, and the width of brace summer is 70mm.
Described brace summer and between overlapped heat-conducting plate and rubber slab, heat-conducting plate contacts with safety glass template, because the existence of brace summer makes a part for safety glass template can not be arrived by heat radiation light irradiation, the inequality of being heated of safety glass template can be caused, affect composite plate molding effect, by arranging heat-conducting plate, heat transfer effect being played to this part safety glass template, ensureing that whole safety glass template is heated evenly.Described rubber slab contacts with brace summer, plays cushioning effect, and heat-conducting plate is equal with the brace summer of rubber slab length and width all with corresponding.
Described heat radiation lamp has 180, form heat radiation lamp matrix, length direction along cuboid framework evenly arranges 18 row, width along cuboid framework evenly arranges ten row, heat radiation lamp top is 360mm apart from safety glass template inner surface, and the spacing of adjacent heat radial burner is 280mm.
Temperature for the ease of controlling heating platform meets the demands, described heat radiation lamp matrix comprises six heat radiation lamp minor matrixs, length direction along cuboid framework is often gone and is evenly arranged three heat radiation lamp minor matrixs, width along cuboid framework often arranges and evenly arranges two heat radiation lamp minor matrixs, each heat radiation lamp minor matrix arranges for the five-element six, totally three ten heat radiation lamps, each heat radiation lamp minor matrix is separate, is electrically connected respectively with between attemperating unit.Like this can shaping according to composite plate time heating-up temperature, the number of choose reasonable heat radiation lamp minor matrix, convenient controls, and saves the energy.
In order to control heating-up temperature well, described each heat radiation lamp minor matrix is all electrically connected with between attemperating unit by a pair thermocouple detection device, the temperature-measuring range of every thermocouple detection device is 0 ~ 120 DEG C, for different temperature requirements, select concrete heating-up temperature, control accuracy is high, is beneficial to composite plate shaping.In the preparation process of composite plate product, the heating-up temperature that Different periods needs is different, all light at heating initial stage six heat radiation lamp minor matrixs, along with the increase of heat time, the temperature in the space that safety glass template, heat radiation lamp mounting base and attemperator surround constantly rises, when temperature reaches setting value, attemperating unit turns off several heat radiation lamp minor matrix automatically, about making heating-up temperature maintain desired value.
Adopt the moulding process from heating platform making large format high-intensity fiber composite plate of the present invention as follows: safety glass template is as the Lower Half of mould, first by clean for the upper surface of safety glass template clean, then at the upper surface smearing release agent of safety glass template, the distance wide apart from periphery about 150mm at safety glass template upper surface lays sealant tape, and pastes helix tube; Then lay fiber cloth reinforced layer, described enhancement Layer material is fibre reinforced materials.Flow-guiding screen is laid after having laid fiber cloth reinforced layer, the most outstanding feature of priming by vacuum is middle flow-guiding screen, in vacuum perfusion process, resin enters fibrage to be needed to guide and could import, because a lot of enhancement Layer can not well permeate resin, have impact on the flowing of resin, the effect accelerating resin flows is then played in the existence of middle flow-guiding screen.Lay bleeding point and glue-feeder again, and then be sealed envelope, check the air-tightness of whole mould, sealing bag can not leak gas.After carrying out above-mentioned work, just can configure resin and prepare to have poured into, resin is by ingress pipe, helix tube vacuum diversion in mould, and water conservancy diversion is to enhancement Layer.After perfusion terminates, need to continue to keep vacuum until resin solidifies completely, otherwise air enters density, the intensity that will affect composite plate.At the initial stage of the process of solidification, select the heating-up temperature of 50 DEG C, automatically the number lighting heat radiation lamp minor matrix is selected by attemperating unit, heating-up temperature is kept to maintain four to six hours at about 50 DEG C, then heating-up temperature is improved to 80 DEG C, attemperating unit is selected to increase the number lighting heat radiation lamp minor matrix automatically, keeps heating-up temperature to maintain four to six hours to solidifying completely at about 80 DEG C, finally cooling, the demoulding, site clearing.The degree of thermoplastic resin-impregnated fibers can be observed at any time through lucite cloth and safety glass template when checking sealing; Determine the temperature heated according to the kind of resin, and realize sheet material thermally equivalent by attemperating unit, the interface observing template and workpiece at any time without caving in, the situation of bubble, hickie;
The present invention adopts technique scheme to have following significantly technique effect:
1, of the present invention for fiber composite sheet metal forming from heating platform, by the characteristic using high-strength tempering glass molds plate heatproof transparent, both the flatness of safety glass template under low, middle temperature had been ensured, the laminating degree of prepreg and template and the process of thermoplastic resin-impregnated fibers can be observed simultaneously, some problems occurred in filling process are solved in time, avoids appearance to produce depression, bubble, hickie, do not soak into the defects such as region.
2, of the present invention for fiber composite sheet metal forming from heating platform, by adopting attemperator, decrease the loss of heat, shorten heat up time, ensure temperature constant, adopt simultaneously transparent material can observe product shaping time surface state.
3, of the present invention for fiber composite sheet metal forming from heating platform, by arranging movable support castor, be convenient to mobile for fiber composite sheet metal forming from heating platform, utilize movable support castor arrangement for adjusting height to realize the Level tune of whole heating platform simultaneously, break away from the rugged restriction of production site.
4, of the present invention for fiber composite sheet metal forming from heating platform, by whole radial burner matrix is divided into multiple minor matrix radial burner, then can according to the setting value of composite plate heating-up temperature, the number of choose reasonable heat radiation lamp minor matrix, easy to operate, save the energy.
5, of the present invention for fiber composite sheet metal forming from heating platform, by arranging galvanic couple, then can for different temperature requirements, select concrete heating-up temperature, control accuracy is high, is beneficial to composite plate shaping.
Accompanying drawing explanation
The structural representation from heating platform of Fig. 1 fiber composite sheet metal forming used for the present invention;
Fig. 2 is vacuum perfusion process flow chart of the present invention;
Fig. 3 is the structural representation of movable support castor of the present invention.
Specific embodiment
For making object of the present invention and technical scheme clearly, below in conjunction with the embodiment of the present invention, technical scheme of the present invention is clearly and completely described.
As shown in Figure 1, a kind of for fiber composite sheet metal forming from heating platform, comprise bracing or strutting arrangement 1, safety glass template 2, heat radiation lamp mounting base 3, heater 4 and attemperator 5.
Described bracing or strutting arrangement 1 is cuboid framework, safety glass template 2 is rectangle, be arranged on the top of bracing or strutting arrangement 1, described heat radiation lamp mounting base 3 is rectangle and identical with the size of safety glass template 2, heat radiation lamp mounting base 3 is parallel to safety glass template 2 and is arranged on bracing or strutting arrangement 1, and is positioned at immediately below safety glass template 2.Described heater 4 comprises multiple heat radiation lamp 41 and attemperating unit 42, and multiple heat radiation lamp 41 is evenly arranged on heat radiation lamp mounting base 3, is electrically connected between heat radiation lamp 41 with attemperating unit 42, and attemperating unit 42 is connected with power supply.
Because heat radiation lamp 41 is arranged in nonocclusive space, the heat that heat radiation lamp produces easily scatters and disappears, in order to reduce heat loss, shorten heat up time, ensure temperature constant, describedly for fiber composite sheet metal forming, heating platform is provided with attemperator 5, attemperator is four pieces of transparent organic glass cloth, be around in the surrounding of cuboid framework, and the height of attemperator is identical with bracing or strutting arrangement 1.Adopt transparent material can observe composite plate product shaping time thermoplastic resin-impregnated fibers process, some problems occurred in filling process are solved in time, avoid appearance produce depression, bubble, hickie, do not soak into the defects such as region.
For the ease of mobile be used for fiber composite sheet metal forming from heating platform, be provided with movable support castor 7 bottom each supporting leg of described cuboid framework.As shown in Figure 3, described movable support castor 7 comprises roller 71 and arrangement for adjusting height 72, and the levelness that can be realized whole heating platform by arrangement for adjusting height 72 is regulated, and breaks away from the rugged restriction of production site.
Described cuboid framework length be 5050mm, wide is 2650mm, and height is 870mm, and described safety glass template 2 is long is 5000mm, and wide is 2600mm, and thickness is 18mm.Such as metal die, significantly safety glass template 2 mutually, cost is lower, and weight is lighter, requires low to support platform load-carrying properties.
In order to strengthen the support of bracing or strutting arrangement to significantly safety glass template 2, the upper end of described cuboid framework is provided with brace summer 6, and brace summer 6 is positioned at the below of safety glass template 2.Described brace summer 6 comprises three longitudinal bracing beams and seven cross-brace beams, and longitudinal bracing beam is evenly arranged along the width of cuboid framework, and cross-brace beam is evenly arranged along the length direction of cuboid framework, and the width of brace summer 6 is 70mm.
Described brace summer 6 and between overlapped heat-conducting plate and rubber slab, heat-conducting plate contacts with safety glass template 2, because the existence of brace summer 6 makes a part for safety glass template 2 can not be arrived by heat radiation light irradiation, the inequality of being heated of safety glass template 2 can be caused, affect composite plate molding effect, by arranging heat-conducting plate, heat transfer effect being played to this part safety glass template 2, ensureing that whole safety glass template 2 is heated evenly.Described rubber slab contacts with brace summer 6, plays cushioning effect, and heat-conducting plate and the rubber slab length and width brace summer 6 all with corresponding is equal.
Described heat radiation lamp 41 has 180, form heat radiation lamp matrix, length direction along cuboid framework evenly arranges 18 row, width along cuboid framework evenly arranges ten row, heat radiation lamp 41 top is 360mm apart from safety glass template 2 inner surface, and the spacing of adjacent heat radial burner 41 is 280mm.
Temperature for the ease of controlling heating platform meets the demands, described heat radiation lamp matrix comprises six heat radiation lamp minor matrixs, length direction along cuboid framework is often gone and is evenly arranged three heat radiation lamp minor matrixs, width along cuboid framework often arranges and evenly arranges two heat radiation lamp minor matrixs, each heat radiation lamp minor matrix arranges for the five-element six, totally three ten heat radiation lamps, each heat radiation lamp minor matrix is separate, is electrically connected respectively with between attemperating unit 42.Like this can shaping according to composite plate time heating-up temperature, the number of choose reasonable heat radiation lamp minor matrix, convenient controls, and saves the energy.
In order to control heating-up temperature well, described each heat radiation lamp minor matrix is all electrically connected with between attemperating unit 42 by a pair thermocouple detection device 43, the temperature-measuring range of every thermocouple detection device 43 is 0 ~ 120 DEG C, for different temperature requirements, select concrete heating-up temperature, control accuracy is high, is beneficial to composite plate shaping.In the preparation process of composite plate product, the heating-up temperature that Different periods needs is different, all light at heating initial stage six heat radiation lamp minor matrixs, along with the increase of heat time, the temperature in the space that safety glass template 2, heat radiation lamp mounting base 3 and attemperator 5 surround constantly rises, when temperature reaches setting value, attemperating unit 42 turns off several heat radiation lamp minor matrix automatically, about making heating-up temperature maintain desired value.
As shown in Figure 2, adopt the moulding process from heating platform making large format high-intensity fiber composite plate of the present invention as follows: safety glass template 2 is as the Lower Half of mould, first by clean for the upper surface of safety glass template 2 clean, then at the upper surface smearing release agent of safety glass template 2, the distance wide apart from periphery about 150mm at safety glass template upper surface lays sealant tape, and pastes helix tube; Then lay fiber cloth reinforced layer, described enhancement Layer material is fibre reinforced materials.Flow-guiding screen is laid after having laid fiber cloth reinforced layer, the most outstanding feature of priming by vacuum is middle flow-guiding screen, in vacuum perfusion process, resin enters fibrage to be needed to guide and could import, because a lot of enhancement Layer can not well permeate resin, have impact on the flowing of resin, the effect accelerating resin flows is then played in the existence of middle flow-guiding screen.Lay bleeding point and glue-feeder again, and then be sealed envelope, check the air-tightness of whole mould, sealing bag can not leak gas.After carrying out above-mentioned work, just can configure resin and prepare to have poured into, resin is by ingress pipe, helix tube vacuum diversion in mould, and water conservancy diversion is to enhancement Layer.After perfusion terminates, need to continue to keep vacuum until resin solidifies completely, otherwise air enters density, the intensity that will affect composite plate.At the initial stage of the process of solidification, select the heating-up temperature of 50 DEG C, automatically the number lighting heat radiation lamp minor matrix is selected by attemperating unit, heating-up temperature is kept to maintain four to six hours at about 50 DEG C, then heating-up temperature is improved to 80 DEG C, attemperating unit is selected to increase the number lighting heat radiation lamp minor matrix automatically, keeps heating-up temperature to maintain four to six hours to solidifying completely at about 80 DEG C, finally cooling, the demoulding, site clearing.The degree of thermoplastic resin-impregnated fibers can be observed at any time through lucite cloth and safety glass template when checking sealing; Determine the temperature heated according to the kind of resin, and realize sheet material thermally equivalent by attemperating unit, the interface observing template and workpiece at any time without caving in, the situation of bubble, hickie.
Do not do in the present invention illustrate be prior art or can be realized by prior art, and described in the present invention, concrete case study on implementation is only better case study on implementation of the present invention, is not used for limiting practical range of the present invention.Namely all equivalences done according to the content of the present patent application the scope of the claims change and modify, all should as technology category of the present invention.
Claims (9)
1. for fiber composite sheet metal forming from a heating platform, it is characterized in that, comprising:
Bracing or strutting arrangement (1), described bracing or strutting arrangement (1) is cuboid framework;
Safety glass template (2), described safety glass template (2) is rectangle, is arranged on the top of bracing or strutting arrangement (2);
Heat radiation lamp mounting base (3), described heat radiation lamp mounting base (3) is identical with the size of safety glass template (2) for rectangle, heat radiation lamp mounting base (3) is parallel to safety glass template (2) and is arranged on bracing or strutting arrangement (1), and is positioned at immediately below safety glass template (2);
Heater (4), described heater (4) comprises multiple heat radiation lamp (41) and attemperating unit (42), multiple heat radiation lamp (41) is evenly arranged on heat radiation lamp mounting base (3), be electrically connected between heat radiation lamp (41) with attemperating unit (42), attemperating unit (42) is connected with power supply;
Attemperator (5), described attemperator (5) is four pieces of transparent organic glass cloth, is around in the surrounding of cuboid framework, and the height of attemperator is identical with bracing or strutting arrangement (1).
2. according to claim 1 for fiber composite sheet metal forming from heating platform, it is characterized in that, the bottom even of described cuboid framework is provided with multiple movable support castor (7).
3. according to claim 1 for fiber composite sheet metal forming from heating platform, it is characterized in that, the length of described cuboid framework is 5050mm, wide is 2650mm, and height is 870mm, and described safety glass template is long is 5000mm, wide is 2600mm, and thickness is 18mm.
4. according to claim 1 for fiber composite sheet metal forming from heating platform, it is characterized in that, the upper end of described cuboid framework is provided with brace summer (6), and brace summer (6) is positioned at the below of safety glass template (2).
5. according to claim 4 for fiber composite sheet metal forming from heating platform, it is characterized in that, described brace summer (6) comprises three longitudinal bracing beams and seven cross-brace beams, longitudinal bracing beam is evenly arranged along the width of cuboid framework, cross-brace beam is evenly arranged along the length direction of cuboid framework, and the width of brace summer (6) is 70mm.
6. according to claim 4 or 5 for fiber composite sheet metal forming from heating platform, it is characterized in that, heat-conducting plate and rubber slab has been overlapped between described brace summer (6) and safety glass template (2), heat-conducting plate contacts with safety glass template (2), rubber slab contacts with brace summer (6), and heat-conducting plate and the rubber slab length and width brace summer (6) all with corresponding is equal.
7. according to claim 1 for fiber composite sheet metal forming from heating platform, it is characterized in that, described heat radiation lamp (41) has 180, form heat radiation lamp matrix, length direction along cuboid framework evenly arranges 18 row, width along cuboid framework evenly arranges ten row, and heat radiation lamp (41) top is 360mm apart from safety glass template (2) inner surface, and the spacing of adjacent heat radial burner (41) is 280mm.
8. according to claim 7 for fiber composite sheet metal forming from heating platform, it is characterized in that, described one-tenth heat radiation lamp matrix comprises six heat radiation lamp minor matrixs, each heat radiation lamp minor matrix arranges for the five-element six, totally three ten heat radiation lamps, each heat radiation lamp minor matrix is separate, is electrically connected respectively with between attemperating unit (42).
9. according to claim 8 for fiber composite sheet metal forming from heating platform, it is characterized in that, each heat radiation lamp minor matrix is all electrically connected with between attemperating unit (41) by a pair thermocouple detection device (43), and the temperature-measuring range of every thermocouple detection device (43) is 0 ~ 120 DEG C.
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| CN106113878A (en) * | 2016-07-28 | 2016-11-16 | 无锡信大气象传感网科技有限公司 | A kind of self-heating platform for composite board molding |
| CN106183335A (en) * | 2016-07-28 | 2016-12-07 | 无锡信大气象传感网科技有限公司 | A kind of manufacture method of structure enhanced type composite material sheet material |
| CN106217741A (en) * | 2016-07-28 | 2016-12-14 | 无锡信大气象传感网科技有限公司 | A kind of self-heating platform for compound walking spa-cial system molding |
| CN106273983A (en) * | 2016-07-28 | 2017-01-04 | 无锡信大气象传感网科技有限公司 | A kind of manufacture method of structure enhanced type composite material bar |
| CN106739012A (en) * | 2016-12-13 | 2017-05-31 | 北京鸿鹄雄狮技术开发有限公司 | A kind of composite shaped platform |
| CN110255874A (en) * | 2019-05-15 | 2019-09-20 | 芜湖东旭光电科技有限公司 | Glass substrate cutting machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110255874A (en) * | 2019-05-15 | 2019-09-20 | 芜湖东旭光电科技有限公司 | Glass substrate cutting machine |
| CN110255874B (en) * | 2019-05-15 | 2022-01-28 | 芜湖东旭光电科技有限公司 | Glass substrate cutting machine |
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